Replace a cracked, stained, or deteriorating toilet seat and cover with this genuine Dometic assembly. Designed for Dometic 300, 310, and 320 series RV toilets, this complete seat and cover unit restores comfort and hygiene to your motorhome or travel trailer bathroom. A direct OEM replacement ensures perfect fit and reliable performance.

Key Features

• Genuine Dometic OEM part for 300/310/320 series toilets
• Complete seat and cover assembly in one unit
• Durable molded plastic construction resists staining and odors
• Easy bolt-down installation—no special tools required
• Maintains factory appearance and functionality
• Compatible with both manual and electric flush models

Technical Specifications

Specification	Details
Part Number	385311489
Fits Models	Dometic 300, 310, 320 Series
Assembly Type	Seat and Cover
Material	Molded Plastic
Installation	Bolt-down (standard fasteners)
Compatibility	Manual and electric flush toilets

Frequently Asked Questions

Q: Will this seat fit my Dometic toilet?
A: Yes, this assembly is designed specifically for Dometic 300, 310, and 320 series toilets. Verify your model number on the toilet bowl or in your RV manual before ordering.

Q: Is installation difficult?
A: No. The seat and cover bolt directly to the toilet bowl using standard hardware. Most owners complete installation in under 10 minutes with basic tools.

Q: Can I use this with my electric flush toilet?
A: Absolutely. This assembly works with both manual foot-pedal and electric flush models in the 300/310/320 series.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts for RVs. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM parts and provide expert support to help you identify the exact component you need. Trust us for authentic Dometic parts and fast service.